1. Animal Facility Department, “Victor Babeş” National Institute of Pathology 99‐101 Splaiul Independeţei, 050096 Bucharest Romania
2. Histology Department, “Carol Davila” University of Medicine and Pharmacy 8 Eroilor Sanitari Blvd., 050474 Bucharest Romania
3. Faculty of Veterinary MedicineUniversity of Agronomic Sciences 59 Mărăşti Blvd., 011464 Bucharest Romania
4. Ultrastructural Pathology Department“Victor Babeş” National Institute of Pathology 99‐101 Splaiul Independenţei, 050096 Bucharest Romania
5. Radiobiology Department“Victor Babeş” National Institute of Pathology 99‐101 Splaiul Independenţei, 050096 Bucharest Romania